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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9440910 B1

PDFFull Text
Expired
Date of Patent:
Sep. 13, 2016

Filed:

Jan. 08, 2013

Reference markers for fesoterodine fumarate

Applicant:

Alembic Pharmaceuticals Limited, Vadodara, IN;

Inventors:

Venkatraman Jayaraman, Vadodara, IN;

Sundara Kalyana Balaji, Vadodara, IN;

Samir Patel, Vadodara, IN;

Thakor Indrajit, Vadodara, IN;

Viral Parekh, Vadodara, IN;

Mahesh Ladani, Vadodara, IN;

Chetan Patil, Vadodara, IN;

Ronak Patel, Vadodara, IN;

Darshan Parmar, Vadodara, IN;

Assignee:

Alembic Pharmaceuticals Limited, Vadodara, IN;

Attorney:

Schiff Hardin LLP

Primary Examiner:

Paul A Zucker

Assistant Examiner:

Mark Luderer

Int. Cl.
CPC ...
A61J 1/10 (2006.01); A61K 31/222 (2006.01); B65D 81/20 (2006.01); B65D 81/26 (2006.01); C07C 213/06 (2006.01); C07C 213/10 (2006.01); C07C 217/48 (2006.01); C07C 219/22 (2006.01); C07C 219/28 (2006.01); G01N 33/15 (2006.01);
U.S. Cl.
CPC ...
C07C 219/22 (2013.01); A61J 1/10 (2013.01); A61K 31/222 (2013.01); B65D 81/2023 (2013.01); B65D 81/264 (2013.01); C07C 213/06 (2013.01); C07C 213/10 (2013.01); C07C 217/48 (2013.01); C07C 219/28 (2013.01); G01N 33/15 (2013.01);
Abstract

The present invention relates to the new impurities of Fesoterodine, Fesoterodine symmetric dimer impurity and asymmetric dimer impurity, process for preparing and isolating thereof. The invention also deals with analytical standards and analytical methods used for the control of the production process and final quality of Fesoterodine.

Find Patent Forward Citations

Jayaraman, Venkatraman. (2016). Reference markers for fesoterodine fumarate (U.S. Patent No. 9440910). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9440910

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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